Create windows application editor of activity diagrams, which includes menu, toolbar with instruments and panel with elements. In addition to the commands of the menu "File" (New, Open, Save, Save As, Exit), About, the application must provide the next features to the user:
- ability to draw an action (rectangle);
- ability to draw a decision (rhomb);
- ability to draw a vertical solid arc;
- option for changing the style of the pen;
- option for changing the color of the brush;
- option for saving the diagram as file with .bmp extension and also in vector format.